A . AGEISNOTNULL
B . NOT(AGEISNULL)
C . SNAME=’王五’
D . SNAME=’王%’
[单选题]SQL中,下列操作不正确的是______。A.AGE IS NOTNULLB.NOT (AGE IS NULL)C.SNAME='王五'D.SNAME='王%'
[单选题]SQL中,下列涉及空值的操作,不正确的是()。A.AGEISNULLB.AGEISNOTNULLC.AGE=NULLD.NOT(AGEISNULL)
[单选题]SQL中,下列涉及空值的操作,不正确的是()。A.AGEISNULLB.AGEISNOTNULLC.AGE=NULLD.NOT(AGEISNULL)
[单选题]SQL中,下列涉及空值的操作,不正确的是()。A.AGEISNULLB.AGEISNOTNULLC.AGE=NULLD.NOT(AGEISNULL)
[单选题]SQL中,下列涉及空值的操作,不正确的是()。A.AGEISNULLB.AGEISNOTNULLC.AGE=NULLD.NOT(AGEISNULL)
[单选题]在SQL中,下列涉及空值的操作,不正确的是( )。A.AGE IS NULLB.NOT(AGE IS NULL)C.AGE=NULLD.AGE IS NOT NULL
[单选题]在SQL中,下列涉及空值的操作,不正确的是A.AGE IS NULLB.NOT(AGE IS NULL)C.AGE=NULLD.AGE IS NOT NULL
[单选题]在SQL中,下列涉及空值的操作,不正确的是A.AGE IS NULLB.NOT(AGE IS NULL)C.AGE = NULLD.AGE IS NOT NULL
[单选题]在SQL中,下列涉及空值的操作中不正确的——。A.AGE IS NULLB.AGE IS NOT NULLC.AGE=NULLD.NOT(AGE IS NULL)
[单选题]在SQL中,下列涉及空值的操作,不正确的是(23)。A.AGE IS NULLB.AGE IS NOT NULLC.AGE=NULLD.NOT(AGE ISNULL)